package chapter12.作业;

public class test {
    public static void main(String[] args) {
        heapqueue a =new heapqueue();
        a.enqueue(1);
        a.enqueue(2);
        a.enqueue(3);
        a.enqueue(4);
      //  a.enqueue(5);
        a.dequeue();
        System.out.println(a.first());
        System.out.println(a.toString());
    }
}
